Give your Senco Stapler or Nailer tool models SLS15, SLS18, FIP15, or FIP18 (sold separately) a new lease on life with the Senco YK0393 repair kit. This handy kit packs everything you need to tackle common firing mechanism issues, featuring O-rings for airtight seals, gaskets for smooth operation, a trigger valve for precise control, and even essential seals and bolts. Say goodbye to leaks, weak staple power, and inconsistent firing this kit empowers you to restore your stapler's performance and extend its lifespan. Remember, consult the official Senco manual for your specific model for detailed repair instructions and ensure your trusty tool keeps hammering in staples for years to come!